ATI nVidia Video Card 75mm Fan 47mm mounting 4 Pin 4-Pin header with approximately 6" (150mm) Power Line Fan Dimension (Diameter x Height) approximately 2 7/8" (75mm) x 5/8" (15mm) Mounting hole center to center distance are approximately: 1 7/8" (47mm), 1 7/8"(47mm) and 1 7/8" (47mm)